本篇内容介绍了“CentOS 6下编译安装MySQL5的过程”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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一,准备工作
     1,快速安装安装 CentOS6,安装时选择最小化安装.
     2,安装编译时需要的库文件,这时可以选择做光盘yum
       [root@admin share] # cd /media/
       [root@admin media] # mkdir CentOS
       [root@admin media] # mount /dev/cdrom /media/CentOS
       [root@admin media]# cd /etc/yum.repos.d/
       [root@admin yum.repos.d] # mv CentOS-Base.repo      CentOS-Base.repo.bak
       [root@admin yum.repos.d] # mv CentOS-Debuginfo.repo    CentOS-Debuginfo.repo.bak
        至此,用光盘做的yum就可用了;
      [root@admin ~]#yum --enablerepo=c6-media install ncurses*  gcc* perl* -y
      3,准备好安装包. (这里以 mysql-5.0.56.tar.gz举例)
      4,添加mysql 用户
     [root@admin ~]#groupadd mysql
     [root@admin ~]#useradd -g mysql mysql -s /bin/nologin
 
二,正式安装
      1. [root@admin software]#tar zxvf mysql-5.0.56.tar.gz   
      2. [root@admin software]# cd mysql-5.0.56
      3. [root@admin mysql-5.0.56]# ./configure  --prefix=/usr/local/mysql  --localstatedir=/data/mysql --enable-assembler --                  enable-static --with-mysqld-user=mysql --with-big-tables --enable-thread-safe-client --                enable-local-infile --with-charset-utf8 --with-extra-charsets=all
      4. [root@admin mysql-5.0.56]# make && make install
      5. [root@admin mysql-5.0.56]# cp support-files/my-medium.cnf /etc/my.cnf
      6. [root@adim share]# cd /usr/local/mysql/
      7. [root@admin mysql]# bin/mysql_install_db --user=mysql
Installing MySQL system tables...
OK
Filling help tables...
OK
 
To start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your system
 
PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:
/usr/local/mysql/bin/mysqladmin -u root password 'new-password'
/usr/local/mysql/bin/mysqladmin -u root -h localhost.localdomain password 'new-password'
 
Alternatively you can run:
/usr/local/mysql/bin/mysql_secure_installation
 
which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.
 
See the manual for more instructions.
 
You can start the MySQL daemon with:
cd /usr/local/mysql ; /usr/local/mysql/bin/mysqld_safe &
 
You can test the MySQL daemon with mysql-test-run.pl
cd mysql-test ; perl mysql-test-run.pl
 
Please report any problems with the /usr/local/mysql/bin/mysqlbug script!
 
The latest information about MySQL is available on the web at
http://www.mysql.com
Support MySQL by buying support/licenses at http://shop.mysql.com
 
 
   8. [root@admin mysql]# chown -R mysql.mysql /data/mysql/
   9. [root@admin mysql]#  share/mysql/mysql.server start
Starting MySQL SUCCESS!                           #--------------> 看到如此,便知道安装成功了.
  10. [root@admin mysql]# netstat  -tunlp | grep mysql
      tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      13193/mysqld

三. 后绪工作
 1.[root@admin ~]# ln -s  /usr/local/mysql/share/mysql/mysql.server /etc/init.d/mysqld
 2.[root@admin ~]# ln -s  /usr/local/mysql/bin/mysql /usr/sbin/mysql
 3.[root@admin ~]# ln -s  /usr/local/mysql/bin/mysqladmin /usr/sbin/mysqladmin
 4.[root@admin ~]# ln -s  /usr/local/mysql/bin/mysqldump /usr/sbin/mysqldump
 5.[root@admin ~]# mysql -uroot -p
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.0.56-log Source distribution
 
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
 
mysql>

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